Approx .75" width, 3" height
Agate is known as chalcedony quartz and often displays concentric rings.
It is used to harmonize Yin and Yang, help build self-confidence, enhance mental function and strengthen the body/mind. Agate is a good protective energy stone and also helps the body's connection to the earth. It is considered a good luck stone and enhances creativity and stimulates the intellect.